[INFO] crate ethereum-trie-memory 0.5.0 is already in cache
[INFO] extracting crate ethereum-trie-memory 0.5.0 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/ethereum-trie-memory/0.5.0
[INFO] extracting crate ethereum-trie-memory 0.5.0 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/ethereum-trie-memory/0.5.0
[INFO] validating manifest of ethereum-trie-memory-0.5.0 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ethereum-trie-memory-0.5.0 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ethereum-trie-memory-0.5.0
[INFO] finished frobbing ethereum-trie-memory-0.5.0
[INFO] frobbed toml for ethereum-trie-memory-0.5.0 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/ethereum-trie-memory/0.5.0/Cargo.toml
[INFO] started frobbing ethereum-trie-memory-0.5.0
[INFO] finished frobbing ethereum-trie-memory-0.5.0
[INFO] frobbed toml for ethereum-trie-memory-0.5.0 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/ethereum-trie-memory/0.5.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ethereum-trie-memory-0.5.0 against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-0/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/ethereum-trie-memory/0.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 940188ca156b522e821c95e3dbb6d05bfd59980437033bf9b4cf81d2a1e6deb7
[INFO] running `"docker" "start" "-a" "940188ca156b522e821c95e3dbb6d05bfd59980437033bf9b4cf81d2a1e6deb7"`
[INFO] [stderr]     Checking ethereum-hexutil v0.2.3
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking ethereum-rlp v0.2.3
[INFO] [stderr]     Checking ethereum-bigint v0.2.9
[INFO] [stderr]     Checking ethereum-trie v0.5.0
[INFO] [stderr]     Checking ethereum-trie-memory v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DatabaseHandle`
[INFO] [stderr]  --> src/memory.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use trie::{DatabaseHandle, Change, insert, delete, build, get, EMPTY_TRIE_HASH};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rlp`
[INFO] [stderr]  --> src/mutable.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rlp::{self, Rlp};
[INFO] [stderr]   |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `trie::merkle::MerkleNode`
[INFO] [stderr]  --> src/cache.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use trie::merkle::MerkleNode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rlp::Rlp`
[INFO] [stderr]  --> src/cache.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rlp::Rlp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DatabaseHandle`
[INFO] [stderr]  --> src/memory.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use trie::{DatabaseHandle, Change, insert, delete, build, get, EMPTY_TRIE_HASH};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `trie::merkle::MerkleNode`
[INFO] [stderr]   --> src/memory.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |     use trie::merkle::MerkleNode;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rlp::Rlp`
[INFO] [stderr]   --> src/memory.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |     use rlp::Rlp;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::UnsafeCell`
[INFO] [stderr]    --> src/memory.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |     use std::cell::UnsafeCell;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hexutil::read_hex`
[INFO] [stderr]    --> src/memory.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     use hexutil::read_hex;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rlp`
[INFO] [stderr]  --> src/mutable.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rlp::{self, Rlp};
[INFO] [stderr]   |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `trie::merkle::MerkleNode`
[INFO] [stderr]  --> src/cache.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use trie::merkle::MerkleNode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rlp::Rlp`
[INFO] [stderr]  --> src/cache.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rlp::Rlp;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cache.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut map = self.map.borrow_mut();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cache.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let mut map = self.map.borrow_mut();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]    --> src/memory.rs:134:19
[INFO] [stderr]     |
[INFO] [stderr] 134 |         for (key, value) in &map {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing with an underscore: `_value`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let mut btrie = MemoryTrieMut::build(&map);
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/cache.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let mut map = self.map.borrow_mut();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/cache.rs:105:13
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let mut map = self.map.borrow_mut();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `"docker" "inspect" "940188ca156b522e821c95e3dbb6d05bfd59980437033bf9b4cf81d2a1e6deb7"`
[INFO] running `"docker" "rm" "-f" "940188ca156b522e821c95e3dbb6d05bfd59980437033bf9b4cf81d2a1e6deb7"`
[INFO] [stdout] 940188ca156b522e821c95e3dbb6d05bfd59980437033bf9b4cf81d2a1e6deb7